Guitar headstock



FIG. 1 is a top front perspective view of a guitar headstock showing the claimed design;

FIG. 2 is a top rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The dashed broken lines in the figures show portions of the guitar headstock that form no part of the claimed design.

The dot-dash broken lines in the figures show boundaries that form no part of the claimed design.

The shade lines in the figures show contour and not surface ornamentation. 

CLAIM The ornamental design for a guitar headstock, as shown and described. 